Author
- Agriculture Dept.32,706
- Agriculture Economics Bureau6
- Agriculture Forestry Committee9
- Agriculture Marketing Service12
- Agriculture Research Administration10
- Agriculture Research Service27
- Agriculture and Forestry Committee746
- Agriculture and Forestry Committee, Senate1,052
- Agriculture, Bureau of31
- Agriculture, Committee on8
- Agriculture, Department of4,216
- Agronomist6
- Agrostology Division145
- Air Accidents, Select Committee to Investigate, House24
- Air Adjutant General's Office9
- Air Commerce Bureau450
- Air Coordinating Committee20
- Air Corps337
- Air Corps Matériel Division1
- Air Force Academy20